Finding the Fourth Proportional to 10,422,629.16, 15,632,041.14 and 4,355,737.80
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Solution
The fourth proportional to 10,422,629.16, 15,632,041.14 and 4,355,737.80 is: 6,532,811.58
Step by Step Solution
- Step 1: Write the proportion equation
10,422,629.16 : 15,632,041.14 = 4,355,737.80 : x - Step 2: Convert to fraction form
10,422,629.16/15,632,041.14 = 4,355,737.80/x - Step 3: Cross multiply
10,422,629.16x = 15,632,041.14 × 4,355,737.80 - Step 4: Simplify right side
10,422,629.16x = 68,089,072,484,653.09 - Step 5: Solve for x
x = 68,089,072,484,653.09/10,422,629.16 - Step 6: Final answer
x = 6,532,811.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.